diff --git a/components/mapping/index.js b/components/mapping/index.js
index 5ce168e0..e3a0b931 100644
--- a/components/mapping/index.js
+++ b/components/mapping/index.js
@@ -28,13 +28,7 @@ const MapComponent = (props) => {
             <div className="govuk-grid-row">
                 <div className="govuk-grid-column-full">
                     <a
-                        href={
-                            "https://datamap.gov.wales/maps/pedw-dev/embed?center=" +
-                            props.center.lng +
-                            "," +
-                            props.center.lat +
-                            "&zoom=7#/"
-                        }
+                        href={`https://${locale === "cy" ? "mapdata.llyw.cymru" : "datamap.gov.wales"}/maps/${mapTarget}/embed?center=${center.lng},${center.lat}&zoom=7#/`}
                         rel="noreferrer noopener"
                         className="govuk-link govuk-link--no-underline govuk-!-font-size-14 "
                         target="_blank"
diff --git a/pages/dns/[developmentName].js b/pages/dns/[developmentName].js
index 86167b57..d1061f7a 100644
--- a/pages/dns/[developmentName].js
+++ b/pages/dns/[developmentName].js
@@ -37,7 +37,8 @@ const CaseHome = (props) => {
         pages,
         setSearchResults,
         setSearchDetails,
-        searchResultsObj
+        searchResultsObj,
+        mapTarget
     } = props;
     let { t, lang } = useTranslation();
 
@@ -115,6 +116,7 @@ const CaseHome = (props) => {
                         showMaps={props.showMaps}
                         eventsObj={props.searchResultsObj.eventsObj}
                         mediaObj={props.searchResultsObj.mediaObj}
+                        mapTarget={props.mapTarget}
                     />
                 </div>
                 <Footer
@@ -265,7 +267,8 @@ export const getServerSideProps = wrapper.getServerSideProps(
                 docsOffline: process.env.DOCAPI_OFFLINE || false,
                 messagesObj: messagesObj,
                 showFilteredDocs: process.env.SHOWFILTERDOCS || false,
-                showMaps: process.env.SHOWMAPS
+                showMaps: process.env.SHOWMAPS,
+                mapTarget: process.env.MAP_TARGET || "pedw-dev"
             }
         };
     }